Compare the digits from left to right.

All numbers have 5 digits. Compare the ten-thousands: all are 9.
Compare the thousands: 4, 4, 7, 7.
• The numbers with thousands digit 4 are smaller. Among 94728 and 94287: thousands both 4, hundreds: 2 < 7, so 94287 is smallest, then 94728.
• Among 97428 and 97248: thousands both 7, hundreds: 2 < 4, so 97248 comes next, then 97428.

Final Answer: 94287, 94728, 97248, 97428